The functions of IMPO, as envisaged as part of WMO-IITM Agreement, include the following:

• Pursue activities and connections related to monsoon research around the world identified and fostered under the leadership of WCRP and WWRP;
• Serve as the main coordination office for the activities of the CLIVAR/GEWEX Monsoons Panel including its regional working groups and other substructures that may be constituted during the course of its work, in consultation with the IPOs of WCRP's core projects CLIVAR and GEWEX;
• With prior agreement of the Directors of the IPOs of the relevant WCRP core activities, support other monsoon-related activities within CLIVAR (such as those arising from the Indian Ocean Region Panel, Pacific Region Panel and the Atlantic Region Panel), GEWEX (such as the Global Land/Atmosphere System Study (GLASS) Panel and the Global Atmospheric System Studies (GASS) Panel) as well as activities of SPARC (Stratosphere-troposphere Processes And their Role in Climate) such as the Atmospheric Composition and the Asian Monsoon (ACAM) activity in order to better integrate WCRP's monsoon activities;
• Support the monsoon activities of WMO's World Weather Research Programme (WWRP) as part of its Working Group on Tropical Meteorology Research (WGTMR);
• Support the organization of the International Workshop on Monsoons (IWM) series co-led by the WWRP, as part of WMO's major quadrennial symposia and workshops series;
• Support active collaboration with the relevant monsoon groups to effectively pursue the applications in monsoon regions of the Subseasonal to Seasonal (S2S) Prediction Project outputs, jointly coordinated by WWRP and WCRP;
• Support activities (seminars, workshops, training events, etc.) related to the topic of monsoons on S2S timescales;
• Actively contribute to and facilitate outreach and capacity building related to WCRP/WWRP monsoon research, in the host country as well as in the region.

IMPO functions include planning and coordinating meetings, arranging teleconferences for the Panel Members as well as the regional working groups of the Monsoons Panel, for Asian-Australian Monsoons, African Monsoons and the American Monsoons.

Other activities of IMPO include support to the newsletters of WMO, WWRP and WCRP on monsoon-relevant matters, development and maintenance of the Monsoons Panel web pages cataloguing current monsoon research initiatives, information and resource relevant for the international monsoon community. This office also disseminates the latest information on WWRP/WCRP monsoon activities to the meteorological and oceanographic communities in the host country as well as in the region.